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Discovery of Non-Zero Neutrino Mixing Angle θ₁₃ Using Daya Bay Antineutrino Detectors


Tsang, Raymond Hei Man (2013) Discovery of Non-Zero Neutrino Mixing Angle θ₁₃ Using Daya Bay Antineutrino Detectors. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/CE4Y-BX48.


The Daya Bay Reactor Antineutrino Experiment observed the disappearance of reactor νe from six 2.9 GWth reactor cores in Daya Bay, China. The Experiment consists of six functionally identical νe detectors, which detect νe by inverse beta decay using a total of about 120 metric tons of Gd-loaded liquid scintillator as the target volume. These νe detectors were installed in three underground experimental halls, two near halls and one far hall, under the mountains near Daya Bay, with overburdens of 250 m.w.e, 265 m.w.e and 860 m.w.e. and flux-weighted baselines of 470 m, 576 m and 1648 m. A total of 90179 νe candidates were observed in the six detectors over a period of 55 days, 57549 at the Daya Bay near site, 22169 at the Ling Ao near site and 10461 at the far site. By performing a rate-only analysis, the value of sin213 was determined to be 0.092 ± 0.017.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:Neutrino Oscillation; Mixing angle; Theta13; Daya Bay
Degree Grantor:California Institute of Technology
Division:Physics, Mathematics and Astronomy
Major Option:Physics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • McKeown, Robert D.
Thesis Committee:
  • Filippone, Bradley W. (chair)
  • Wise, Mark B.
  • Golwala, Sunil
  • McKeown, Robert D.
Defense Date:28 May 2013
Record Number:CaltechTHESIS:05302013-060415059
Persistent URL:
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7771
Deposited By: Hei Man Tsang
Deposited On:31 May 2013 21:23
Last Modified:04 Oct 2019 00:01

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